APA aipamena

Calkins, T. (2012). Breakthrough Marketing Plans (2nd.). Palgrave Macmillan.

Chicago Style aipamena

Calkins, Tim. Breakthrough Marketing Plans. 2nd. New York: Palgrave Macmillan, 2012.

MLA aipamena

Calkins, Tim. Breakthrough Marketing Plans. 2nd. Palgrave Macmillan, 2012.